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 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package java.util.function;

/**
 * Apply a function to the input arguments, yielding an appropriate result.
 * This is the {@code long}-bearing specialization for {@link BiFunction}.
 *
 * @param <T> the type of the first argument to the {@code applyAsLong}
 * operation.
 * @param <U> the type of the second argument to the {@code applyAsLong}
 * operation.
 *
 * @see BiFunction
 * @since 1.8
 */
@FunctionalInterface
public interface ToLongBiFunction<T, U> {

    /**
     * Compute the result of applying the function to the input arguments.
     *
     * @param t an input object
     * @param u an input object
     * @return the function result value
     */
    public long applyAsLong(T t, U u);
}